Standard: PAPTAC - G.13 AND G.20
SOLVENT EXTRACTIVES IN WOOD & PULP
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This standard describes a method for the determination of the amount of materials in wood and pulp which are extractable with acetone. Acetone extracts consist mainly of wood resin including fatty and resin acids, sterols, waxes and fat. Some of these materials are responsible for pitch deposition in the papermaking process. Wood extractives contain, in addition, water-soluble compounds such as tannins, gums, sugars and starches. These can be determined, if required, by subsequent extraction of wood with hot water (Note 1). Detailed information on the chemistry of wood extractives can be found in reference 1.
|Organization:||Pulp and Paper Technical Association of Canada, Formerly CPPA|
|Document Number:||g.13 and g.20|
|Most Recent Revision:||YES|
|Document #||Change Type||Update Date||Revision||Status|
|G.13 AND G.20||Change Type:||Update Date: 1993-08-01||Status: INAC|
Standards That Reference This Standard
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